import 'reflect-metadata';
import {
	closeTestingConnections,
	createTestingConnections,
	reloadTestingDatabases,
} from '../../utils/test-utils';
import { DataSource } from '../../../src/data-source/DataSource';
import { expect } from 'chai';
import { Post } from './entity/Post';
import { Category } from './entity/Category';

describe("github issues > #151 joinAndSelect can't find entity from inverse side of relation", () => {
	let connections: DataSource[];
	before(
		async () =>
			(connections = await createTestingConnections({
				entities: [__dirname + '/entity/*{.js,.ts}'],
			})),
	);
	beforeEach(() => reloadTestingDatabases(connections));
	after(() => closeTestingConnections(connections));

	it('should cascade persist successfully', () =>
		Promise.all(
			connections.map(async (connection) => {
				const category = new Category();
				category.name = 'post category';

				const post = new Post();
				post.title = 'Hello post';
				post.category = category;

				await connection.manager.save(post);

				const loadedPost = await connection.manager.findOne(Post, {
					where: {
						id: 1,
					},
					join: {
						alias: 'post',
						innerJoinAndSelect: {
							category: 'post.category',
						},
					},
				});

				expect(loadedPost).not.to.be.null;
				loadedPost!.should.be.eql({
					id: 1,
					title: 'Hello post',
					category: {
						id: 1,
						name: 'post category',
					},
				});
			}),
		));
});